Home / 2,239.35-3,342.09-2,181.03

Finding the Fourth Proportional to 2,239.35, 3,342.09 and 2,181.03

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Solution

The fourth proportional to 2,239.35, 3,342.09 and 2,181.03 is: 3,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.35 : 3,342.09 = 2,181.03 : x
  2. Step 2: Convert to fraction form
    2,239.35/3,342.09 = 2,181.03/x
  3. Step 3: Cross multiply
    2,239.35x = 3,342.09 × 2,181.03
  4. Step 4: Simplify right side
    2,239.35x = 7,289,175.80
  5. Step 5: Solve for x
    x = 7,289,175.80/2,239.35
  6. Step 6: Final answer
    x = 3,255.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.